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Oxidative stress causes imbalances when antioxidants are not enough to counteract the damaging effects of free radicals. While graying is mostly genetic, oxidative stress in the body may play a part when the process happens prematurely. Premature graying in white people can start as early as 20 years old, while a person can be as young as 25 years old among Asians, and 30 years in African-Americans populations, according to the same 2013 study. Premature graying of a person’s hair is largely connected to genetics, according to a 2013 report in the Indian Journal of Dermatology, Venereology and Leprology. It found low levels of serum ferritin, which stores iron in the body, vitamin B-12, and the good cholesterol HDL-C were common in participants with premature hair graying. It finds nutritional deficiencies affect pigmentation, suggesting color can return with vitamin supplementation.Ī 2016 study reported in the International Journal of Trichology looked to factors related to premature graying in young Indians under 25 years of age. One 2015 report in the journal Development notes various deficiency studies on vitamin D-3, vitamin B-12, and copper and their connection to graying hair. Share on Pinterest White and gray hairs may start to grow at any age, and may be caused by a range of different factors.Īny deficiencies of vitamin B-6, B-12, biotin, vitamin D, or vitamin E can contribute to premature graying.
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